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Siegfried is a leading contract development and manufacturing organization with 12 production sites on three continents. With our longstanding pharmaceutical and chemical experience, we are taking your innovations to industrial scale.

Siegfried
at a glance

As a globally leading contract and development manufacturing organization, we produce pharmaceutical ingredients and finished products as an integrated supplier.

The most trusted partner in the pharmaceutical industry

Siegfried offers contract development and manufacturing of active pharmaceutical ingredients, intermediates and finished dosage forms. Our integrated approach ensures that we can provide a wide range of services, from process development and optimization to registration, production, packaging and logistics, under a single roof.

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A global network of excellence

Siegfried counts on a global network of 12 facilities in seven countries on three continents for the production of active pharmaceutical ingredients and intermediates (Drug Substances) and finished dosage forms (Drug Products).

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Ensuring safe drugs for patients worldwide

Siegfried supplies approximately 200 out of 1500 APIs approved by the FDA. We serve more than 500 customers globally, and up to one billion people come in contact with Siegfried products every year. Over 100 million doses of Covid-19 vaccines were manufactured by Siegfried.

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Determined to develop greener production processes

We are committed to reducing our carbon footprint in close collaboration with our customers. With our expertise in process optimization, we help our customers develop greener production processes, requiring less energy and producing less waste while maximizing the safety of our products. Siegfried is a member of the Dow Jones Sustainability Index Europe and rated AA by MSCI.

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150 years of expertise

Founded in 1873 by pharmacist Samuel Benoni Siegfried in Zofingen, Switzerland, Siegfried has evolved into a global player with state-of-the-art facilities and cutting-edge technologies through strategic acquisitions.

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About us

Siegfried is a leading contract development
and manufacturing organization.

Siegfried is a globally leading outsourcing partner, providing tailor-made services that seamlessly integrate into the value chain of our customers. We offer contract development and manufacturing of APIs and finished dosage forms. Through our integrated approach we ensure a comprehensive range of services from process development and optimization to registration, production, packaging and logistics.

As a fully integrated CDMO, Siegfried is one of the few organizations today that can carry out the development and manufacturing of APIs and finished dosage forms under one roof. This unique combination of know-how and experience makes us the most trusted partner in the pharmaceutical industry.

Founded in 1873 in Zofingen, Switzerland, today we operate a global network of 12 sites on three continents. Our workforce of more than 3,700 highly skilled professionals is committed to take the innovations of our pharmaceutical customers to industrial scale and manufacture safe drugs for patients worldwide.

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